⟁ Missouri Well Data field records · 2026 survey

Missouri Well Data › Washington County › Potosi (63664)

Potosi, MO (63664): well depth, water level & drilling cost

✓ 620 MoDNR records · Washington County

220 ftmedian well depth
180 ft–266 fttypical depth range
60 ftmedian static water level
20 gpmmedian yield (573 tests)

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How deep are wells in and around Potosi (63664), Missouri?

The median drilled well depth in and around Potosi (63664) is 220 ft, based on 609 wells with recorded depths in the state MoDNR database. Half fall between 180 ft and 266 ft; 90% are shallower than 340 ft.

How much does it cost to drill a well in and around Potosi (63664)?

Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Potosi (63664)?

The median static water level is 60 ft below ground surface (middle half of wells: 40 ft–100 ft), from 457 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 1 100–150 ft 70 150–200 ft 111 200–300 ft 308 300–400 ft 90 400–600 ft 25 600+ ft 4
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Part of Washington County well records.

Method: medians computed from MoDNR records (MoDNR certified water wells; depths 0-5,000 ft, with the file's 99999.9 and 88888 sentinel values excluded rather than clamped), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.